Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7946344 | Method and assembly for producing oil and/or gas through a well traversing stacked oil and/or gas bearing earth layers | Stephen Richard Braithwaite | 2011-05-24 |
JD
Johannes Cornelis Maria Van Dongen
Overall (2011): #256,277 of 364,097Top 75%
1
Patents 2011